type: custom:button-card
variables:
  webpageversion: "1.1.1"
  var_url: >-
    [[[ try {return
    hass.states[variables.var_assistsat_entity].attributes.url} catch {
    return "https://www.home-assistant.io/"}]]]
template:
  - variable_template
  - body_template
styles:
  card:
    - background-color: "#00000"
    - border-width: 0px
    - border-radius: 0px
  custom_fields:
    message:
      - font-size: "[[[ return variables.var_font_size ]]]"
      - align-self: center
      - justify-self: center
      - height: 100%
      - width: 100%
      - position: absolute
      - justify-content: center
      - text-align: start
custom_fields:
  message:
    card:
      type: iframe
      url: "[[[ return variables.var_url ]]]"
      aspect_ratio: 50%